/**
 * Copyright 2011-2019 Asakusa Framework Team.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.asakusafw.dag.runtime.adapter;

import java.util.Set;

import com.asakusafw.dag.api.processor.VertexProcessorContext;

/**
 * An adapter for {@link DataTable}s.
 * Each implementation must have a constructor which only accepts {@link VertexProcessorContext}.
 * @since 0.4.0
 */
public interface DataTableAdapter extends VertexElementAdapter {

    /**
     * Returns the available data table IDs.
     * @return the available data table IDs
     */
    Set<String> getIds();

    /**
     * Returns the data table.
     * @param <T> the data type
     * @param type the data type
     * @param id the data table ID
     * @return the corresponded data table
     */
    <T> DataTable<T> getDataTable(Class<T> type, String id);
}
